/* 
 * National Organisation Style 
 */

:root {
    /* Color Palette - SASTEMSU Logo Theme */
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #0a172c; /* Deeper Navy for dark mode/footers */
    
    --color-text: #212529;
    --color-text-muted: #555555;
    
    --color-primary: #112a4f; /* Logo Deep Navy Blue */
    --color-primary-hover: #0b1c36;
    --color-accent: #ceb05d; /* Logo Metallic Gold */
    --color-blue: #112a4f; 
    --color-gold: #ceb05d; /* Logo Metallic Gold */
    
    /* Typography */
    --font-sans: 'Inter', 'Open Sans', Arial, sans-serif;
    --font-serif: 'Merriweather', 'Georgia', serif; /* Formal Headers */
    
    /* Effects */
    --transition: all 0.2s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    border-top: 5px solid var(--color-primary);
    border-image: linear-gradient(to right, var(--color-bg-dark) 15%, var(--color-gold) 15%, var(--color-gold) 25%, var(--color-primary) 25%, var(--color-primary) 50%, var(--color-blue) 50%, var(--color-blue) 75%, var(--color-accent) 75%) 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: 1rem;
    font-weight: 700;
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    transition: var(--transition);
}

a:hover {
    color: var(--color-accent);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1100px; /* Traditional fixed width feel */
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.section.bg-light {
    background-color: var(--color-bg-light);
}

.text-center {
    text-align: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: 2px solid var(--color-primary);
    background: var(--color-bg);
    color: var(--color-primary);
    border-radius: 4px; /* Slightly rounded, formal */
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.btn:hover {
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

/* Official Banner */
.official-banner {
    background-color: var(--color-bg-light);
    border-bottom: 1px solid #ddd;
    padding: 0.5rem 0;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.official-banner .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* Navigation */
.navbar {
    background-color: var(--color-bg);
    padding: 1.5rem 0;
    border-bottom: 2px solid var(--color-primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo-crest {
    display: none; /* Hide the old crest, we'll use an image */
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    text-decoration: none;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}

.nav-link:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background-color: var(--color-bg-light);
    padding: 6rem 0;
    border-bottom: 5px solid var(--color-primary);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="%23003366" fill-opacity="0.05"/></svg>');
    pointer-events: none;
}

.badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background-color: var(--color-accent);
    color: #fff;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 2.5rem;
    max-width: 700px;
}

/* Sections General */
.section-header {
    margin-bottom: 3.5rem;
    position: relative;
}

.section-title {
    font-size: 2.2rem;
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    margin-top: 15px;
}

.text-center .section-title::after {
    margin-left: auto;
    margin-right: auto;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.15rem;
    margin-top: 1rem;
}

/* Cards (Programs / News) */
.card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-top: 4px solid var(--color-primary);
    padding: 2.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transform: translateY(-2px);
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.card-text {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.card-link {
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.95rem;
}

.card-link:hover {
    text-decoration: underline;
}

/* Impact Section */
.impact {
    background-color: var(--color-primary);
    color: #fff;
    padding: 4rem 0;
}

.impact .stat-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.impact .stat-label {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: #fff;
}

/* About / Content */
.about-text h3 {
    font-size: 1.8rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.feature-list {
    list-style: none;
    margin-top: 1.5rem;
}

.feature-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    font-weight: 500;
}

.feature-list li::before {
    content: '►';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 0.8em;
    top: 5px;
}

/* Team */
.team-member {
    background: #fff;
    padding: 2rem;
    border: 1px solid #e0e0e0;
    border-bottom: 4px solid var(--color-gold);
    text-align: center;
}

.member-name {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.member-role {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
}

/* Forms */
.contact-wrapper {
    background: #fff;
    padding: 3rem;
    border: 1px solid #e0e0e0;
    border-top: 5px solid var(--color-primary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ccc;
    font-family: var(--font-sans);
    border-radius: 4px;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

/* Footer */
.footer {
    background-color: var(--color-bg-dark);
    color: #fff;
    padding: 4rem 0 2rem;
    border-top: 5px solid var(--color-gold);
}

.footer h4 {
    color: var(--color-gold);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}

.footer-brand .logo-text {
    color: #fff;
    margin-bottom: 1rem;
    display: block;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
}

.footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: #999;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        position: relative;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-dark);
        padding: 2rem;
        z-index: 1000;
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
        text-align: center;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links .nav-link {
        color: white;
    }
    .mobile-menu-btn {
        display: flex;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}